title: The place of adjunctive behavior in drug abuse research.
mesh_terms: D000374:Aggression; D000818:Animals; D001519:Behavior; D001522:Behavior, Animal; D010856:Columbidae; D004327:Drinking Behavior; D005247:Feeding Behavior; D005508:Food Deprivation; D006801:Humans; D051381:Rats; D012054:Reinforcement, Psychology; D012453:Saimiri; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders